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IL-6 inflammation test for individuals monitoring immune response and chronic inflammatory conditions

Blood Test for Inflammation and Immune System Activity

Interleukin-6 (IL-6), Serum

Google
3,138 reviews
  • Measures body's inflammation response
  • Checks for immune system activity
  • Assesses body's infection indicators
First results as soon as overnight*

90 day happiness guarantee

We stand behind our service

Prescription & fees included

Go directly to the lab, no extra fees

Easy to understand results

With friendly doctor's notes & guidance

Fast & convenient

Lab visit as quick as 10 mins in & out

90 day happiness guarantee

We stand behind our service

Prescription & fees included

Go directly to the lab, no extra fees

Easy to understand results

With friendly doctor's notes & guidance

Fast & convenient

Lab visit as quick as 10 mins in & out

What's this test for?

This test is ideal if you're dealing with chronic inflammation, autoimmune conditions, or persistent infections. It helps identify if your immune system is overactive or responding to ongoing health issues that may be causing fatigue, joint pain, or other inflammatory symptoms. Many people use this test to monitor chronic conditions or understand why they're experiencing prolonged immune system activation.

How should I prepare for this test?

No biotin: 48 hours

You should avoid taking biotin supplements for 48 hours before your blood draw, as biotin can interfere with test accuracy. No fasting is required for this test. Continue taking your regular medications unless your doctor advises otherwise, and make sure to mention any supplements you're taking.

What's included in this test?

Interleukin-6 (IL-6), Serum

This test measures Interleukin-6 (IL-6), a protein produced by your immune system during inflammation or infection. Elevated IL-6 levels can indicate active inflammation from conditions like autoimmune diseases, chronic infections, or other inflammatory disorders, helping you and your doctor understand the severity of immune system activation and monitor treatment effectiveness.

What happens after I get my results?
You'll receive detailed doctor notes in simple language explaining what your IL-6 levels mean for your inflammation and immune function. These notes include personalized recommendations like dietary changes, lifestyle adjustments to reduce inflammation, or whether you should follow up with a specialist. You'll also get the standard lab report and can track your inflammation levels over time using our trends feature to see if your interventions are helping.
Who should consider getting this test?
This test is valuable for people with autoimmune conditions like rheumatoid arthritis or lupus, those with chronic infections, or anyone experiencing unexplained persistent inflammation. It's also useful if you're monitoring treatment for inflammatory conditions or if your doctor suspects an inflammatory disorder. People recovering from serious illness or infection may also benefit from this test.
What symptoms indicate I may need this test?
You might need this test if you're experiencing ongoing fatigue, persistent joint pain or swelling, unexplained fever, or symptoms of chronic inflammation. Other signs include prolonged recovery from infections, unexplained weight loss, or symptoms of autoimmune conditions like extreme tiredness and body aches that don't improve with rest.
How can I naturally reduce inflammation in my body?
Focus on an anti-inflammatory diet rich in omega-3 fatty acids from fish, walnuts, and flaxseeds, along with colorful vegetables and fruits high in antioxidants. Regular moderate exercise, stress management through meditation or yoga, and quality sleep all help reduce inflammation. Limit processed foods, excess sugar, and alcohol, which can trigger inflammatory responses.
What is IL-6 and why does it matter?
Interleukin-6 is a signaling protein your immune system produces when it detects threats like infections, injuries, or abnormal cell activity. It's an important marker because elevated levels indicate your body is fighting something, whether that's an infection, autoimmune disease, or chronic inflammatory condition. Monitoring IL-6 helps assess disease activity and treatment effectiveness.
What does high IL-6 mean?
High IL-6 levels indicate active inflammation or immune system activation in your body. This could be from autoimmune diseases, chronic infections, inflammatory bowel disease, or other inflammatory conditions. Persistently elevated IL-6 is also associated with increased risk for cardiovascular disease and certain cancers, making it important to identify and address the underlying cause.
How often should I retest my IL-6 levels?
If you're monitoring a chronic inflammatory condition or undergoing treatment, your doctor may recommend retesting every 3-6 months to track progress. For those with autoimmune diseases, more frequent testing during flare-ups or medication adjustments may be needed. Once your condition is stable, annual testing may be sufficient to ensure inflammation remains controlled.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
  3. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
  4. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
  5. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email [email protected] and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at [email protected], and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at [email protected]. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
Do you accept health insurance?
Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email [email protected].
Can I cancel my order?
Yes.

We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email [email protected].

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email [email protected] and we'll gladly help you.

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

You get clinical lab reports & simplified health insights.
Save time & gas, go straight to the lab. Our doctors cover the rest.
Results start landing the next day after your lab visit.*
We don’t sell or share your data. Your time & privacy matter.
US-licensed doctors have your back if things get unclear.
No hidden fees, nice discounts for regular checkups.
Save a trip to the doctor, go directly to the lab
Instant orders, results often overnight*
Results explained in simple language
Reviewed by US licensed doctors
Fast & confidential, we never sell or share your data
No insurance needed, transparent pricing
Demo results
Interleukin-6 (IL-6) 8.2 pg/mL
Demo results
Normal < 5.0 Elevated ≥ 5.0
8.2 pg/mL

What this means

Your IL-6 level is elevated, indicating active inflammation or immune system activation in your body. This could be related to an ongoing infection, autoimmune condition, or chronic inflammatory process that warrants further investigation and monitoring.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.
Here’s how easy it is to get blood work done on your terms
Choose a checkup
Order your test Save a trip to the doctor. Your results will come with clear, friendly explanations. Takes 2 minutes
Book a lab
Book an appointment Visit any of our 4,000 nearby lab locations to have your samples collected. Book or walk-in
Choose a checkup
Get results Receive a clear, easy-to-digest health report by email & SMS within a few business days. Get answers, fast

Blood Test for Inflammation and Immune System Activity

Google
3,138 reviews
  • Measures body's inflammation response
  • Checks for immune system activity
  • Assesses body's infection indicators

1,000,000+ blood tests later, here's what our customers say

Google reviews 3138 reviews Next
Still got questions? Text our super-cool support team at 754-799-7833 to get help finding your ideal checkup.